ČZW-9
Encyclopedia
The ČZW-9 is a submachine gun
Submachine gun
A submachine gun is an automatic carbine, designed to fire pistol cartridges. It combines the automatic fire of a machine gun with the cartridge of a pistol. The submachine gun was invented during World War I , but the apex of its use was during World War II when millions of the weapon type were...

 of Czech
Czechoslovakia
Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

 origin. The weapon
Weapon
A weapon, arm, or armament is a tool or instrument used with the aim of causing damage or harm to living beings or artificial structures or systems...

's layout is very similar to the Škorpion vz. 61 but with improved accuracy due to its lever delayed blowback operation. Another variant is the ČZW-9 M which uses straight blowback, firing from a closed bolt with a higher rate of fire.
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